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Engineering · Electrical Engineering
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How many diodes does a single-phase half-wave rectifier have? A transformer has a turns ratio of 4:1. What is the peak secondary voltage if 110 V rms is applied to the primary windings? What are the advantages of swich-mode powerspply over linear power supplies? In a buck converter, operating in continuous conduction mode, increasing the inductor value will impact both the average value and the ripple components of the inductor current. Is it true or false? In a buck converter, the capacitance of the output capacitor impacts the inductor current ripples and the load voltage ripple. Is it true or false? Is a buck converter step-down or step-up DC-DC converter? Which expression is boost converter voltage conversion ratio (Vout/Vin) equal to: D, DI(I- D) or 1/(1-D)? Please note: D is duty ratio of a switch control signal. A buck/boost converter, operating in continuous conduction mode, can decrease input DC voltage when D>0.5. Is it true or false?

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